# uncompyle6 version 3.2.3
# Python bytecode 3.6 (3379)
# Decompiled from: Python 3.6.8 |Anaconda custom (64-bit)| (default, Feb 21 2019, 18:30:04) [MSC v.1916 64 bit (AMD64)]
# Embedded file name: email\mime\base.py
"""Base class for MIME specializations."""
__all__ = ["MIMEBase"]
import email.policy
from email import message


class MIMEBase(message.Message):
    """Base class for MIME specializations."""

    def __init__(self, _maintype, _subtype, *, policy=None ** _params):
        """This constructor adds a Content-Type: and a MIME-Version: header.
        
        The Content-Type: header is taken from the _maintype and _subtype
        arguments.  Additional parameters for this header are taken from the
        keyword arguments.
        """
        if policy is None:
            policy = email.policy.compat32
        message.Message.__init__(self, policy=policy)
        ctype = "%s/%s" % (_maintype, _subtype)
        self.add_header("Content-Type", ctype, **_params)
        self["MIME-Version"] = "1.0"
